Ashita, Boku wa Shinu. Kimi wa Ikikaeru.

Born with a scary face, Sakamoto Akizuki has always been feared in his school, however one night he witnesses a girl's death. He is faced with a choice where he is asked a question by a mysterious person, "for half of your life span will you revive her?" After following through with his decision, the girl is brought back to life. And now begins the...